<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<!--图片在和页面同级目录下，直接写图片名-->
<img src="logo.png" height="50%">
<!--图片在页面的上级目录下，../+图片名-->
<img src="../picture.png" width="100" height="100">
<img src="abc/img.png" title="300元">
<img alt="图挂了" src="https://v.tedu.cn/detail/term_62d8fd08e8f8a_sWjWMx/25">

</body>
</html>